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    Study of three-phase self-excited induction generator operating as single-phase induction generator supplying non-linear load
    (2021-05-19)
    Nakorn, Panurak
    ;
    Machot, Parinya
    ;
    Kinnares, Vijit
    ;
    Manop, Chalermchat
    This paper presents the operating study of three- phase to single-phase for a self-excited induction generator (SEIG). The Simulation model is analyzed by using Matlab/Simulink for explaining behavior or effect of this model, when the SEIG supplies power to loads under various conditions such as startup, dynamic response, steady state, on load, linear load and non-linear load. The study proposes appropriate capacitor for building up voltage. From the study, it is found that additional reactive power supplied to the load system is needed for maintaining terminal voltage.
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    Investigation of skew effect on the behavior and performance of grid connected induction generators
    (2017-01-30)
    Sawetsakulanond, B.
    ;
    Kinnares, V.
    This paper proposes the investigation of skew effect on the behavior and performance of three phase, 2.2 kW, 220/380 V, Δ / Y connected, 1420 rpm, 4 poles grid connected induction generators with skewed squirrel cage rotor for supplying electric power to utility grid. Skewed rotor with angle of 0°, 5° and 10° for grid connected induction generators are employed. Analysis and comparative study on operating of induction generators under transient and steady state conditions have been performed. Research results will be guidelines for an application of wind induction generator for electricity generation.
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    Investigation on the performance between standard and high efficiency induction machines operating as grid connected induction generators
    (2008-12-01)
    Sawetsakulanond, B.
    ;
    Hothongkham, P.
    ;
    Kinnares, V.
    This paper proposes the investigation on the performance between standard and high efficiency induction machines operating as grid connected induction generators having same rating of three phase, 2.2kW, 220/380V, 4-poles for supplying electric power to utility grid. Analysis and comparative study on operating of induction generators under transient and steady state conditions at no-load and full-load have been performed. Research results will be guidelines for an application of wind induction generator for electricity generation. © 2008 IEEE.
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    Design and construction of a three phase of self-exited induction generator
    (2008-12-01)
    Sawetsakulanond, B.
    ;
    Hothongkham, P.
    ;
    Kinnares, V.
    This paper proposes the design and construction of three phase, 220/380 V, 3.4/2.0 A, δγ connected, 4 poles, 0.75 kW a self-exited induction generator (SEIG). Analysis of the designed SEIG uses a finite element method. The designed SEIG has been tested and compared with a standard SEIG under operating conditions such as no-load and on-load with pure resistive load. Consideration of capacitance for the SEIG based on equivalent circuit model under steady-state load conditions and a power flow diagram is given. Research results can be guidelines for development of effective wind induction generators for electricity generation. ©2008 IEEE.
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    Design optimization of wind power planning for a country of low-medium wind speed profile
    (2007-12-01)
    Chompoo-inwai, Chai
    ;
    Banjongjit, S.
    ;
    Leelajindakrairerk, M.
    ;
    Faungfoo, P.
    ;
    Lee, Wei Jen
    the emerging energy crisis results from a high-price of crude-oil has drawn attention about renewable energy all over the world. Thailand is a developing country located at the heart of Southeast Asia with about 66 million of population as of 2006. The ESI structure under the government of Thailand has been managed by the Electricity Generating Authority of Thailand (EGAT), Metropolitan Electricity Authority (MEA), and Provincial Electricity Authority (PEA) for almost 50 years. According to the 2004 Power Development Plan (PDP), the country would have generation reserve at a marginal of 15 percent. Due to the rapid economic growth and difficulty in building new centralized generating facilities, this has the potential to create a security issue of electricity energy shortage and may develop a severe system blackout. Renewable energy issues have been widely discussed and debated over the country. Although solar energy is the most prominent renewable energy source due to the appropriated geographic of Thailand, it still considered as a low-density energy source which requires a large area of installation. Therefore, for the long term investment, wind power seem to be a good candidacy since it is quick to get permission, need no fuel cost, and environmental friendly. Therefore, this paper investigates the impact of penetration level of wind powered generation to be integrated into Thailand system. System stability has been observed in various system configurations change due to different control strategies of wind farms. The economics analysis of wind farm investment has been also considered. © 2007 IEEE.
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    Investigation of skew effect on the performance of self - excited induction generators
    (2007-12-01)
    Sawetsakulanond, B.
    ;
    Kinnares, V.
    This paper presents the investigation of skew effects on the performance of three phase, 2.2 kW 220/380 volt 4 poles self - excited induction generators (SEIG) with skewed squirrel cage rotor. Analysis of excitation capacitor of the SEIG based on a steady - state equivalent circuit model including rotor skew effect is given. Skewed rotor with angle of 0°, 5°, and 10° for the SEIG are employed. Testing and performance comparison under dynamic and steady - state operation with resistive and resistive - inductive loads have been performed. Results can be guidelines for development of effective wind induction generators. © 2007 IEEE.
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    A simple approach to capacitance determination of self - exited induction generators for terminal voltage regulation
    (2007-12-01)
    Sawetsakulanond, B.
    ;
    Kinnares, V.
    This paper proposes a simple method for determining of capacitance requirements of three phase self-exited induction generators(SEIG). Consideration of capacitance of the SEIG based on equivalent circuit model under steady - state load conditions and a power flow diagram is given. Performance testing has been performed under a wide range of operating conditions such as no - load and on - load with pure resistive and resistive - inductive load conditions. Experimental results can be guidelines for simply suitable capacitance determination method for SEIGs with reasonable terminal voltage regulation under a wide range of operation. © 2007 IEEE.